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Microsoft Security Advisory CVE-2026-62909 – .NET Elevation of Privilege Vulnerability

🗓️ 11 Aug 2026 19:04:21Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 3 Views

Missing error check in .NET diagnostics IPC applies improper ACL, enabling local elevation of privilege on Linux/macOS.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-62909
11 Aug 202619:00
–circl
cve
CVE		CVE-2026-62909
11 Aug 202617:04
–cve
cvelist
Cvelist		CVE-2026-62909 .NET Elevation of Privilege Vulnerability
11 Aug 202617:04
–cvelist
euvd
EUVD		EUVD-2026-56412
11 Aug 202617:04
–euvd
mskb
Microsoft KB		.NET 8.0 Update - August 11, 2026
11 Aug 202614:00
–mskb
mskb
Microsoft KB		.NET 9.0 Update - August 11, 2026
11 Aug 202614:00
–mskb
mskb
Microsoft KB		.NET 10.0 Update - August 11, 2026
11 Aug 202614:00
–mskb
mscve
Microsoft CVE		.NET Elevation of Privilege Vulnerability
11 Aug 202614:00
–mscve
ncsc
NCSC		vulnerabilities handled in Microsoft Developer Tools
11 Aug 202619:55
–ncsc
nvd
NVD		CVE-2026-62909
11 Aug 202617:18
–nvd
Rows per page
Vulners
Node
OR
microsoftnetcore.app.runtime.osx-x64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.osx-arm64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-x64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-musl-x64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-musl-arm64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-musl-armRange8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-arm64Range8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.linux-armRange8.0.0–8.0.29nuget
microsoftnetcore.app.runtime.osx-x64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.osx-arm64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-x64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-musl-x64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-musl-arm64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-musl-armRange9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-arm64Range9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.linux-armRange9.0.0–9.0.18nuget
microsoftnetcore.app.runtime.osx-x64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.osx-arm64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-x64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-musl-x64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-musl-arm64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-musl-armRange10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-arm64Range10.0.0–10.0.10nuget
microsoftnetcore.app.runtime.linux-armRange10.0.0–10.0.10nuget

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11 Aug 2026 19:04Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
CWE-248CWE-252
dotnetelevation of privilegediagnostics ipcacl misconfigurationlinuxmacoscwe-252
3